Knoxville Weather Forecast

    • 48
    • 72

    Mostly Cloudy

    • 43
    • 67

    Partly Sunny

    • 49
    • 70

    Rain Showers Likely

    • 51
    • 66

    Rain Showers Likely

    • 54
    • 76

    Mostly Cloudy

    • 59
    • 81

    Partly Sunny

Today 19 May Knox

Mostly cloudy. A slight chance of Showers and Thunderstorms early. Highs around 70. West Winds around 15 Mph, becoming northwest. Chance of rain 20 percent.

Tonight 19 May Knox

Mostly cloudy. Much cooler. Less humid with Lows in the upper 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Knoxville Temperature Statistics

May Temperature

Galesburg Municipal Airport (7.5 miles)

  • Lowest 7 May, 2026

    32.7 °F

  • Average May

    58 °F

  • Highest 17 May, 2026

    84.4 °F

Climate (2021–Present)

Galesburg Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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